Preheat oven to 375 degrees F. Lightly coat a 9x 1-1/2-inch round baking pan with nonstick cooking spray; set aside. Seed, peel, and chop one of the mangoes; set aside. Seed, peel, and slice the remaining mango; set aside.

In a large bowl, stir together sugar and oil. Add milk and egg. Beat with an electric mixer on medium speed for 1 minute.

In a small bowl, combine all-purpose flour, whole wheat flour, baking powder, lime peel, and cardamom or allspice. Add to beaten mixture; beat until combined. Stir in oats and chopped mango. Spoon into prepared pan. Arrange sliced mango over batter.

Bake for 35 to 40 minutes or until a toothpick inserted near the center of the cake portion comes out clean. Cool in pan on a wire rack for 30 minutes. Serve warm. Makes 10 servings.

5. *Test KitchenTip: If using a sugar substitute-sugar blend, we recommend Splenda Sugar Blend for Baking or Equal Sugar Lite. Be sure to use package directions to determine product amount equivalent to 1/2 cup sugar.Nutrition Facts per serving with sugar substitute-sugar blend: 190 cal., 6 g total fat (1 g sat. fat), 0 mg chol., 73 mg sodium, 30 g carbo., 3 g fiber, 4 g pro.Exchanges: 1 starch, 1 other carbo., 1 fatCarb choices: 2